US PATENT SUBCLASS 123 / 55.6
.~.~.~ Two-stroke cycle


Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

52.1  DF  MULTIPLE CYLINDER {7}
54.1  DF  .~ Cylinders radiating {4}
55.2  DF  .~.~ Cylinders opposite {3}
55.6.~.~.~ Two-stroke cycle {1}
55.7  DF  .~.~.~.~> Cylinders opposite and aligned


DEFINITION

Classification: 123/55.6

Two-stroke cycle:

(under subclass 55.2) Multiple cylinder engine wherein the pistons in the working cylinders operate on a two-stroke cycle.